Your Nastiest Nail Issues Solved

We all deal with chipped polish and a hangnail here and there. Next time you have a nail issue that's truly gross, here's what to do about it

Splitting nails If you're prone to brittle, weak nails, pop biotin supplements. Biotin is a B vitamin that is necessary for the production of keratin, a structural protein in your skin, hair, and nails.

To fix a splitting nail, Bailey says you want to clip and file your nails when they're wet. To avoid making the split worse, file in the direction of nail growth, which is from the sides to the middle. "Nails are made of layers and they're also made of parallel ridges that grow from the cuticles to the ends," she says. "You want to go with the growth -- not against it."